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Digital Logic Circuits (DLC) MCQs | Page - 10

Dear candidates you will find MCQ questions of Digital Logic Circuits (DLC) here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Q. 91) When is it important to use a three-state buffer?

(A) when two or more outputs are connected to the same input
(B) when all outputs are normally high
(C) when all outputs are normally low
(D) when two or more outputs are connected to two or more inputs
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Q. 92) After two clock pulses, the register contains

(A) 10111000
(B) 10110111
(C) 11110000
(D) 11111100
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Q. 93) How much storage capacity does each stage in a shift register represent?

(A) one bit
(B) two bits
(C) four bits
(D) eight bits
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Q. 94) The decimal number system represents the decimal number in the form of

(A) hexadecimal
(B) binary coded
(C) octal
(D) decimal
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Q. 95) 29 input circuit will have total of                          

(A) 32 entries
(B) 128 entries
(C) 256 entries
(D) 512 entries
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Mr. Dubey • 51.47K Points
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Q. 96) BCD adder can be constructed with 3 IC packages each of                          

(A) 2 bits
(B) 3 bits
(C) 4 bits
(D) 5 bits
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Q. 97) The output sum of two decimal digits can be represented in                          

(A) gray code
(B) excess-3
(C) bcd
(D) hexadecimal
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Q. 98) The addition of two decimal digits in BCD can be done through                          

(A) bcd adder
(B) full adder
(C) ripple carry adder
(D) carry look ahead
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Q. 99) 3 bits full adder contains                          

(A) 3 combinational inputs
(B) 4 combinational inputs
(C) 6 combinational inputs
(D) 8 combinational inputs
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Q. 100) The simplified expression of full adder carry is                          

(A) c = xy+xz+yz
(B) c = xy+xz
(C) c = xy+yz
(D) c = x+y+z
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